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This study sought to determine the effect of lipoprotein(a), or Lp(a), levels and apolipoprotein(a), or apo(a), sizes on endothelial function and to explore ethnic differences in their effects.Although high levels of Lp(a) have been shown to confer increased cardiovascular risk in Caucasians, its significance in non-Caucasian populations is uncertain. The pathogenic role of the apo(a) component of...
Although high resolution Doppler ultrasonography can be used to assess endothelium-mediated vasodilation of the peripheral circulation, this method has not been validated in vivo. Blood flow (DF) determined by ultrasound-derived flow velocity (FV) and vessel diameter (VD) was compared with direct flow measurements obtained by strain gauge venous occlusion plethysmography (PF) in 16 subjects. Using...
Traditionally, Streptococci, Staphylococci, and Enterococci have accounted for the vast majority of etiologic microorganisms responsible for infective endocarditis (IE). Recently, a trend demonstrating a decreasing percentage of Streptococcal IE cases due to a relative rise in Staphylococcal and Enterococcal IE cases has been reported, but not confirmed prospectively. Therefore, we conducted a 13...
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